package day03;
//if结构
public class IFDemo {
    public static void main(String[] args) {
        //500打8折
        double price = 600.0;
        if (price>=500){//满500
            price *= 0.8;//打8折
        }
        System.out.println("最终消费金额为:"+price);
        //判断成绩是否合法
        int score = 99;
        if (score>=0 && score<=100){
            System.out.println("成绩合法");
        }
        System.out.println("继续执行...");
        //满2000打8.5折
        double a = 2001.0;
        if (a>=2000){
            a*=0.85;
            System.out.println("最终消费金额为:"+a);
        }
    }
}
